What are the three types of design patterns?
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if a java file without any source code is valid java file?
Can we create constructor in abstract class ?
what is difference between abstract and interface? can i give real time example for the two topics?
Is there any case when finally will not be executed?
What does system.gc() and runtime.gc() methods do?
What is float in java?
what modifiers are used with top-level class?
I want to store more than 10 objects in a remote server? Which methodology will follow?
How can we make sure main() is the last thread to finish in java program?
What is JVM and is it platform independent?
What is treeset and treemap in java?
What is the driver class?